Mitsubishi Heavy Industries FDR508-A Specifikace Strana 33

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559
FDR-H
14.2.7 Characteristics of fan
(1) Cassetteria type (FDR)
• External static pressure table
How to interpret the blower characteristics table
Example : Case of FDR308-A
1 2-spot blowout.....................
Internal resistance increases more
than the standard 3-spot blowout.
Approx. 14 (1.4) Pa (mmAq) at
17m
3
/min.
2 Square duct blowout...........
Internal resistance decreases
more than the standard round
duct (ø200 3-spot). 3 (0.3) Pa
(mmAq) at 17 m
3
/nin. (External
static pressure increases in
reverse.).
3 Decorative panel...................
When the decorative panel is not
used with the ceiling return type,
the part of internal resistance
related to the panel decrease. 3
(0.3) Pa (mmAq) at 17mm
3
/min.
Model FDR258-A
Unit: Pa (mmAq)
FDR208-A
FDR258-A
FDR308-A
FDR408-A
FDR508-A
Type
Air flow
(m
3
/min)
Duct specs.
1 spot closing
(1)
Standard
(2)
Square duct
(3)
Stan-
dard
High
speed
(4)
High
speed
(4)
High
speed
(4)
Stan-
dard
Stan-
dard
14
18
20
28
34
30(3)
25(2.5)
40(4)
40(4)
65(6.5)
60(6)
70(7)
70(7)
50(5)
45(4.5)
45(4.5)
50(5)
50(5)
85(8.5)
80(8)
80(8)
80(8)
80(8)
50(5)
50(5)
50(5)
50(5)
55(5.5)
90(9)
85(8.5)
85(8.5)
85(8.5)
85(8.5)
Notes (1) 1 spot closing: Round duct flange at center is removed and shield
with a decorative panel (option).
(2) Standard: ø200 ducts are installed at all blowout holes.
(3) Square duct: All round ducts are removed and replaced with special
square duct flanges (option).
(4) When operating at a high speed, invert the connection of white
and red connectors on the flank of control box.
[Standard]3-spot blower
internal resistance
Internal resistance without suction panel
Internal resistance without filter
Square duct blower internal resistance
2-spots blower
internal resistance
High
Standard
Low
14
40(4)
20(2)
0(0)
–20(–2)
17 20 22
Air flow (m
3
/min)
Static pressure Pa (mmAq)
Internal resistance without suction panel
Internal resistance without filter
Square duct blower internal resistance
[Standard] 2-spot blower internal resistance
High speed
High
High speed
Upper limit
High speed
Lower limit
High speed
Low
Standard
Upper limit
Standard
Low
Standard
High
Static pressure Pa (mmAq)
Lower
limit
Upper
limit
Air flow (m
3
/min)
10
20(2)
0(0)
20(2)
40(4)
60(6)
80(8)
100(10)
120(12)
12 14 15.5
Internal resistance without suction panel
Internal resistance without filter
Square duct blower internal resistance
[Standard] 3-spot blower internal resistance
2-spot blower internal resistance
High speed
High
High speed
Upper limit
High speed
Lower limit
High speed
Low
Standard
Upper limit
Standard
Low
Standard
High
Static pressure Pa (mmAq)
Lower
limit
Upper
limit
Air flow (m
3
/min)
13
20(2)
0(0)
20(2)
40(4)
60(6)
80(8)
100(10)
120(12)
14 16 18 20
Model FDR208-A
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